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Internet # 202080348

Model # 11255VSR

Store SKU # 470155

Bulldog Xtreme 8 Amp 1 in. Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer Drill with Carrying Case

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  • Vibration control for comfort in all-day applications
  • 3 modes: rotation only, rotary hammer and hammer only
  • Includes: Auxiliary handle, depth gauge and carrying case
  • View More Details

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Product Details

About This Product

The Bosch 11255VSR SDS-plus Bulldog Xtreme 1 In. Rotary Hammer is a versatile, handy tool that features a robust 8.0 Amp motor. From anchoring to large material breaking, it gets the job done right the first time. Engineered in the tradition of legendary Bulldogs, this powerful hammer delivers 2.0 Ft.-Lbs. of impact energy and 0-5,800 no-load BPM, but it weighs just 6.7 Lbs. The multifunction mode selector allows users to easily select among three modes of operation: rotary hammer, rotation only and hammer only. To optimize the chiseling angle, it has Vario-Lock positioning that rotates and locks the chisel in one of 36 different positions. It is Bosch's PRO+GUARD dust system, helping users move toward OSHA Silica Table 1 dust compliance. The hammer is designed with an ergonomic D-handle for comfort. It features a variable-speed reversing trigger for accurate bit starting, and a Bosch-exclusive rotating brush plate, for equal power in forward and reverse. Busy pros will appreciate the tool's HammerHook, which allows the user to hang the tool on the job, and the SDS-plus system provides for tool-free bit changes.

Highlights

  • Robust 8.0 Amp rotary hammer - delivers 2.0 Ft.-Lbs. of impact energy with three modes of operation and rotating chisel lock
  • Vario-Lock positioning - rotates and locks chisel to optimize working angle
  • Variable-speed trigger with reversing - offers accurate bit starting
  • Integral clutch - disengages torque transmission if the bit gets into a bind-up scenario
  • Works with Bosch PRO+GUARD dust solutions - an end-to-end dust-collection system that helps users move toward OSHA silica table 1 dust compliance
  • Multi-function selector - three modes of operation: rotary hammer, rotation only and hammer only
  • Bosch-exclusive rotating brush plate - provides equal power in forward and reverse
  • HammerHook - allows quick tool storage during the job
  • D-handle design - ideal for overhead and downward drilling applications
  • SDS-plus bit system - tool-free bit changes with automatic bit locking
  • Includes: (1) 11255VSR SDS-plus Bulldog Xtreme 1 In. Rotary Hammer, (1) Auxiliary Handle, (1) Depth Gauge, (1) Carrying Case
  • Includes a carry case
  • Click here to shop for more Bosch Tools
  • Warranty - Limited 1 year
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 202080348

Model # 11255VSR

Store SKU # 470155

Additional Resources

Shop All Bosch

Specifications

Dimensions: H 4.75 in, W 11.5 in, D 17.25 in

Dimensions

Product Depth (in.)

17.25 in

Product Height (in.)

4.75 in

Product Width (in.)

11.5 in

Details

Amperage (A)

8 A

Blow energy (ft.-lb.)

2.0

Chuck Size (In.)

1 In.

Chuck Type

SDS-Plus

Color Family

Blue

Cord Length (ft.)

8

Corded Tool Type

Rotary Drill

Cordless/Corded

Corded

Drill/ Driver Type

Rotary Hammer

Included

Tool Case

Maximum Speed (RPM)

1300 RPM

Power Tool Features

Forward/Reverse Switch, Keyless Chuck, Variable Speed

Product Weight (lb.)

6.7 lb

Returnable

90-Day

Tools Product Type

Power Tool

Torque (lb-in)

24 In lbs

Warranty / Certifications

Manufacturer Warranty

1 Year

Questions & Answers

does it include drills
ByJul 13, 2026
1 Answer | 
Answer This Question

Hi! Thank you very much for your question. No, the Bosch 11255VSR Bulldog Xtreme 1" SDS-plus Rotary Hammer does not include any drill bits in the standard kit. According to Bosch, it includes: the 11255VSR rotary hammer, an auxiliary handle, a depth gauge, and a carrying case. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 5:30 p.m. CST.

By|Jul 19, 2026


    What size chuck?
    ByJun 1, 2026
    1 Answer | 
    Answer This Question

    Hi! Thank you very much for your question. The 11255VSR has a maximum capacity of 1" for carbide tipped bits and 2-5/8" for thin wall core its. The 11255VSR accepts SDS-plus shank accessories. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 5:30 p.m. CST.

    By|Jun 11, 2026


      Can this tool be used in hammer only mode?
      ByJan 29, 2026
      1 Answer | 
      Answer This Question

      Hi! Thank you very much for your question. The 11255VSR has a multi-function mode selector that will allow you to easily select among three modes of operation: rotary hammer, rotation only and hammer only. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 5:30 p.m. CST.

      By|Feb 3, 2026


        How long is the warranty for this through the manufacturer and/or home depot?
        ByOct 16, 2025
        1 Answer | 
        Answer This Question

        Hi! Thank you very much for your question. We offer a 1-year limited warranty on the 11255VSR. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 7 p.m. CST.

        By|Oct 18, 2025


          what shank size bit does this take?
          ByOct 15, 2025
          1 Answer | 
          Answer This Question

          Hi! Thank you very much for your question. The Bosch 11255VSR accepts SDS‑plus shank bits (standard SDS‑plus rotary‑hammer bits). For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 7 p.m. CST.

          By|Oct 17, 2025


            i want to take up concrete floors with this. Will it work for that?
            ByAug 17, 2025
            1 Answer | 
            Answer This Question

            Hi! Thank you very much for your question. The Bosch 11255VSR is primarily a rotary hammer with chipping capability, suitable for light concrete removal like thin overlays or tile mortar. For thicker concrete floors, a dedicated demolition or breaker hammer is recommended to ensure efficient and safe removal. Always consider the material thickness and use the appropriate tool for the job. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 7 p.m. CST.

            By|Aug 18, 2025


              can it be used to break up concrete?
              ByJun 27, 2025
              1 Answer | 
              Answer This Question

              Hello! Thank you very much for your question. The Bosch 11255VSR SDS-plus® Bulldog™ Xtreme is capable of light-duty concrete breaking and light chipping work, thanks to its 2.0 ft-lbs of impact energy and hammer-only mode. For further assistance you can contact us at 1-877-BOSCH99 (1-877-267-2499), Monday through Friday, from 7 a.m. to 7 p.m. CST. Alternatively, you may email us at bosch.tools@us.bosch.com.

              By|Jul 1, 2025


                can you use all types of drillbits or do you have to just use Bosch? How do you connect the drillbits to the drill?
                ByMar 28, 2025
                1 Answer | 
                Answer This Question

                Thank you very much for your question. The hammer will accept SDS-plus® shank bits regardless of the brad. For you to know how to connect the drill-bits to the drill you might follow the next steps: Insert the bit into the chuck through the dust shield while twisting and pushing inward until it locks automatically into place. To ensure the accessory is securely locked into the chuck, pull it outwards.. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 7 p.m. CST.

                By|Apr 4, 2025


                  Viewing 1-8 of 81

                  Customer Reviews

                  4.7 out of 5

                  • 4.7 out of 894 reviews
                  • 96% recommend this product
                  Filter by:
                  Showing 1-10 of 894 reviews
                  This customer chose to rate the product and not provide text.
                  by
                  Poor quality
                  This hammer drill burnt upon first use. 5 minutes into the job and the burning smell and smoke filled the room.
                  by
                  Response from BoschToolsJan 7, 2026
                  Thank you very much for your feedback and rating. Home Depot is focused on ensuring complete customer satisfaction. As the manufacturer, we are very interested in supplying consumers with a quality product that delivers the expected performance. We sincerely apologize for the inconvenience you experienced with your hammer drill. This is certainly not the experience we want for our customers. If the tool is still within Home Depot’s 30-day return period, we recommend returning it directly to the store for a replacement, as this will be the fastest option. Otherwise, please contact us directly so that we may discuss available options to assist you. You may contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 7 p.m. CST.
                    Not powerful enough for breaking up a concrete basket ball hoop stand.
                    Based on some YouTube videos and positive reviews, I bought this hammer mostly for breaking up the concrete base left around an upended basket ball hoop abandoned on a piece of property I just moved into. I bought a quality drill bit and chisel bit with the intent of drilling some holes to create a fault line and then working bigger sections off using the chisel. Using the drill-hammer mode, drilling the holes didn't take too much effort, but breaking up the concrete with the chisel bit while using the hammer mode seems ridiculously long. It appears that the hammer function just isn't strong enough. Reading through the manual, the hammer function is described as being useful for light chiseling work -- not demolition. Two stars for the drilling capability and reasonable expectations for small DIY projects (maybe brick motor or kitchen tiling), but I'm going to return this item and either upgrade to something more powerful or just rent a jackhammer for the day. Incidentally, the concrete I was trying to break up was about 8 inches thick and 16 inches in diameter.
                    by
                    Response from BoschToolsMar 10, 2025
                    Hi there! Thank you very much for your detailed review and rating of our 11255VSR SDS-plus® Bulldog™ Xtreme 1 In. Rotary Hammer. The hammer is push to strike, during operation, hold the drill firmly and exert moderate, steady pressure. Too little pressure will keep the bit from cutting and cause excess friction by sliding over the surface. If the concrete is aged or has a lot of aggregate a larger hammer like our SDS-max® Hammers may work better for you. For further assistance, you may email us at bosch.tools@us.bosch.com or contact us at 1-877-BOSCH99 (1-877-267-2499) from Monday through Friday, 7 a.m. to 7 p.m. CST.
                      2 found this review helpful
                      This thing is a brute! It chipped out a concrete slab with ease.
                      by
                      • Verified Purchase
                      I had to remove roughly 250-300 sq feet of tile...
                      I had to remove roughly 250-300 sq feet of tile from a concrete slab. It took some time, but this tool was perfect for the job.
                      by
                      • Verified Purchase
                      2 found this review helpful
                      Nice roto-hammer for the money.
                      I had to remove some river rocks / concrete around my mailbox for an update in the hardscape. After working for an hour with a digging bar I said enough of this and went to Home Depot and purchased the Bosch 11255VSR. It made fast work breaking out the rocks and concrete. As I was working I notice the tool "loosen up" and the impacts became stronger. The owner's manual said it could take up to 5 hours to break in. Keep in mind this is a light duty tool and should be used as such.
                      by
                        • Recommended
                        I have tried other Rotary Hammer, but this one is the best because of its performance and users s...
                        I have tried other Rotary Hammer, but this one is the best because of its performance and users safety for the smooth vibrations avoiding mistreatment of hands and arms of the person using it, but they are effective on the field. Its size and weight are ideal for the use of the demolitions I personally have realized
                        by
                        • Verified Purchase
                        • Recommended
                        5 found this review helpful
                        Had to drive some deep tapcons into the sill of the barn to stabilize a wall that had come loose....
                        Had to drive some deep tapcons into the sill of the barn to stabilize a wall that had come loose. This is old crappy 1950's concrete with real rocks in it. The Bosch cut through it like butter. Left a smooth precise hole even when hitting the rocks inside. Very smooth to hold without a lot of vibration in the handle (even though it is not a padded handle) allowing easier handling without fatigue. My only very minor gripe is with the depth gauge which wobbles a tiny bit (again not a big deal, but while the pushbutton lock is nice, it doesn't seem to hold it particularly rigidly)
                        by
                        • Verified Purchase
                        • Recommended
                        1 found this review helpful
                        Worked for exactly one week
                        This hammer drill seemed to be working fine, right up to the point where the chuck came apart in pieces. Took me a half hour to get the $35 bit out so i can return to the store. Of course, they are out of this item now and i am going to purchase a different brand
                        by
                          • Recommended
                          7 found this review helpful
                          It's not powerful enough for me - Asphalt removal
                          I have high expectation for SDS Plus, but for what I used on asphalt removal, it was definitely NOT powerful enough. I tried 3 different brand new chisel bits and the results were the same - VERY SLOW. Don't get it wrong, this is still a good tool, it should be good for drilling concrete for most home owners and DIY people, but for demolition work definitely this is way under powered. SDS MAX or a real demolition hammer maybe a better choice in my case. I believe this SDS Plus rotary hammer drill is good for light duty stuff like Tiles removal, but absolutely not on concrete or asphalt removal work.
                          by
                          • Verified Purchase
                          • Recommended
                          Showing 1-10 of 894 reviews

                          Compare Key Features

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                          Product Snapshot

                          Suitable for both professionals and home users seeking durability and performance with its robust 8.0 Amp motor and 2.0 Ft.-Lbs. of impact energy.
                          Ideal for professionals tackling demanding concrete applications, this rotary hammer boasts a powerful brushless motor and anti-vibration technology for enhanced productivity and user comfort.
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                          Power Output

                          8.0 Amp

                          Impact Energy

                          2.0 ft.-lb.
                          1.3 ft-lbs
                          2.1 joules
                          2 ft-lbs

                          Drilling Capacity

                          1 in.
                          5/8 in.
                          1 in.
                          1 in.

                          Variable Speed Control

                          Brushless Motor